ROOSA, R A Characterization of resistance to amethopterin, 8-azaguanine and several fluorinated pyrimidines in the murine lymphocytic neoplasm, P388. [electronic resource] - Journal of cellular and comparative physiology Oct 1962 - 109-26 p. digital Publication Type: Journal Article ISSN: 0095-9898 Standard No.: 10.1002/jcp.1030600202 doi Subjects--Topical Terms: AnimalsAntineoplastic AgentsAzaguanineFluorouracilLeukemiaLeukemia, LymphoidLymphomaMethotrexateMiceNucleotidesPyrimidines